CN203547717U - Composite electromagnetic wave transmission drilling-following measuring cross rotary short joint - Google Patents
Composite electromagnetic wave transmission drilling-following measuring cross rotary short joint Download PDFInfo
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- CN203547717U CN203547717U CN201320662691.2U CN201320662691U CN203547717U CN 203547717 U CN203547717 U CN 203547717U CN 201320662691 U CN201320662691 U CN 201320662691U CN 203547717 U CN203547717 U CN 203547717U
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Abstract
The utility model relates to the technical field of rotary short joints in a directional well of petroleum drilling and belongs to a composite electromagnetic wave transmission drilling-following measuring cross rotary short joint. The composite electromagnetic wave transmission drilling-following measuring cross rotary short joint comprises an upper part outer shell, an upper plug seat, a middle shell, a cross middle shaft of which the outer wall is fixedly provided with an annular hanging table and a plug body; a mounting annular table is fixed at the inner wall of the upper part of the upper part shell; the upper plug seat of which the outer diameter of the upper part is larger than the inner diameter of the mounting annular table and the outer diameter of the lower part is matched with the inner diameter of the mounting annular table sits on the mounting annular table; a plug upper insulation pad is arranged between the upper plug seat and the mounting annular table. The composite electromagnetic wave transmission drilling-following measuring cross rotary short joint is reasonable and compact in structure and convenient to use, when disturbance occurs in a water hole of a drilling rig, the middle shaft, an electric conduction assembly and a lower plug seat can coaxially rotate relative to the upper part shell and a middle shell, so a cable is prevented from being twisted and damaged, meanwhile, the electric conduction and insulation performances of the composite electromagnetic wave transmission drilling-following measuring cross rotary short joint are not influenced, in addition, a seat hanging function of the cable is realized by the hanging table at the outer wall of the cross middle shaft, and the gravity load of the cable is reduced.
Description
Technical field
the utility model relates to rotating short-knot technical field in oil drilling directional well, is a kind of Combined type electric magnetic wave transmission measurement-while-drilling cross rotating short-knot.
Background technology
in the construction of oil drilling directional well, often can use electromagnetic wave while-drilling measuring apparatus to carry out positioning operation, this instrument passes through electromagnetic wave transmission signal, having overcome mud-pulse transmission of signal needs the weakness of liquid medium, but, because the transmission of electromagnetic wave signal is subject to the impact of bottom resistance larger, electromagnetic wave transmission distance is restricted, and the electromagnetic wave apparatus measures unit (gamma pipe nipple and inserting tube) using at present links together with transmitter unit, signal starts to upload from fathoming, limited the transmission range of signal, thereby affected applying of electromagnetic wave instrument, adopt cable transmission to fathom moving on electromagnetic wave transmitter unit to extend, due to drilling tool rotation, when cable and drilling tool decentraction, cable can produce disturbance in drilling tool water hole, cause cable bad, simultaneously, existing cable can not carry out seat and hang in signal transmission, further increased the load of cable.
Summary of the invention
the utility model provides a kind of Combined type electric magnetic wave transmission measurement-while-drilling cross rotating short-knot, overcome the deficiency of above-mentioned prior art, when it can effectively solve drilling tool rotary and turns, the rotation of cable and drilling tool decentraction makes cable in drilling tool water hole, produce disturbance easily to cause cable bad and cable can not carry out the problem that seat is hung.
the technical solution of the utility model realizes by following measures: a kind of Combined type electric magnetic wave transmission measurement-while-drilling cross rotating short-knot, comprises the cross axis and the plug body that on upper case, upper connector assembly, intermediate case, outer wall, are fixed with ring-type hanging platform, in the upper inside wall of upper case, be fixed with erection loop platform, top external diameter is greater than erection loop platform internal diameter, the upper connector assembly seat that lower outer diameter and erection loop platform internal diameter match is on erection loop platform, between the lower end, top of upper connector assembly and the upper end of erection loop platform, felt pad on plug is installed, on the upper connector assembly of erection loop platform below, felt pad under plug is installed, under plug, on the upper connector assembly of felt pad below, be installed with limit screw cap, the lower end outer wall of upper case and the upper end inwall of intermediate case are fixedly installed togather, in the external wall of upper portion of cross axis, there are upper annular groove and lower annular groove, the external diameter of upper annular groove is less than the external diameter of lower annular groove, hanging platform is positioned at the below of lower annular groove, there are the upper slotted hole and the lower slotted hole that axially communicate in the inside of cross axis, the internal diameter of upper slotted hole is less than the internal diameter of lower slotted hole, the lower end of intermediate case is sleeved in lower annular groove, upper case lower end, intermediate case inwall, in the toroidal cavity forming between the upper end of lower annular groove and the outer wall of upper annular groove, bearing assembly is installed, the lower inner wall of lower slotted hole and the external wall of upper portion of plug body are fixedly installed togather, there is axial installing hole the inside of plug body, in the lower lumen of upper case and the inner chamber of cross axis and the inner chamber of plug body, conduction assembly is installed, the lower end of conduction assembly is positioned at the below of plug body.
the further optimization and/or improvements to above-mentioned utility model technical scheme below:
above-mentioned conduction assembly comprises isolating cylinder, spring base, spring, conducting rod and copper sleeve cover, on the upper case inwall of erection loop platform below, there is installation annular groove, in installation annular groove, isolating cylinder is installed, in the lower inner wall of isolating cylinder, there is lower installation annular groove, in the installation annular groove of isolating cylinder below, insulation stop pad is installed, in the installation annular groove of upper insulation stop pad below, be installed with gear pressure cap, in the external wall of upper portion of spring base, there is upper installation annular groove, in isolating cylinder, be set with the upper inside wall of spring base and isolating cylinder and the laminating of the outer wall of upper installation annular groove, the bottom outer wall of spring base and the laminating of the inwall of lower installation annular groove, in the toroidal cavity of upper installation annular groove and the formation of lower erection loop groove, spring is installed, there is axial installing hole the inside of spring base, there is the mounting groove communicating with axial installing hole the lower end of spring base, on upper installation annular groove, there is axial gathering sill, the inner that the isolating cylinder top of corresponding gathering sill is installed with guider screw and guider screw is positioned at gathering sill, there is the bellmouth wide at the top and narrow at the bottom communicating with upper slotted hole the upper end of cross axis, in bellmouth inner seat, there is insulation back-up ring, copper contact head and the upper end of copper contact head and the laminating of the upper end of mounting groove are installed between mounting groove and insulation back-up ring, the upper end of conducting rod is fixedly installed togather through insulation back-up ring and copper contact head, on the conducting rod between copper contact head and insulation back-up ring, spring pad is installed, copper contact head and spring pad are all positioned at the inside of insulation stop pad and gear pressure cap, the lower end of conducting rod is through upper slotted hole, lower slotted hole and installing hole are also positioned at the below of plug body, in the lower inner wall of plug body, there is plug that annular groove is installed, on the conducting rod of corresponding upper end plug installation annular groove, lower insulation stop pad is installed, the conducting rod of lower insulation stop pad below and the upper inside wall of copper sleeve cover are fixedly installed togather, in the lower lumen of copper sleeve cover, be installed with banana plug.
above-mentioned bearing assembly comprises upper bearing (metal), lower bearing and end ring; On intermediate case inwall between upper case and lower annular groove upper end, be fixed with annular boss, in toroidal cavity between upper annular groove and intermediate case above boss, upper bearing (metal) is installed, in upper annular groove above upper bearing (metal), be installed with end ring, on the upper annular groove outer wall above end ring, be installed with baffle ring, boss lower end, on lower bearing is installed in the toroidal cavity that forms between annular groove outer wall, lower annular groove upper surface and intermediate case inwall.
between the lower end of above-mentioned upper case and the upper end of intermediate case, along circumference, be radially installed with the screw of at least one, between the lower end of cross axis and the top of plug body, along circumference, be radially installed with the screw of at least one.
the above-mentioned upper end at upper case is installed with helmet, in the lower end of plug body, is installed with lower helmet, is installed with the oily ninth of the ten Heavenly Stems on the plug body outer wall between cross axis lower end and lower helmet upper end.
above-mentioned being is installed with sealing ring between the lower end outer wall of upper case and the upper end inwall of intermediate case, between the lower end inwall of intermediate case and the outer wall of lower annular groove, be installed with sealing ring, between the lower inner wall of lower slotted hole and the external wall of upper portion of plug body, be installed with sealing ring, between the lower end outer wall of plug body and the upper end inwall of lower helmet, be installed with sealing ring.
under above-mentioned plug, on the upper connector assembly of felt pad below, by screw thread, be installed with limit screw cap, the lower end outer wall of upper case and the upper end inwall of intermediate case are fixedly installed togather by screw thread, the lower inner wall of lower slotted hole and the external wall of upper portion of plug body are fixedly installed togather by screw thread, in the installation annular groove of upper insulation stop pad below, by screw thread, be installed with gear pressure cap, the upper end of conducting rod and copper contact head are fixedly installed togather by screw thread, the conducting rod of lower insulation stop pad below is fixedly mounted on by screw thread in the top inner chamber of copper sleeve cover, in the lower lumen of copper sleeve cover, by screw thread, be installed with banana plug, in upper annular groove above upper bearing (metal), by screw thread, be installed with end ring, upper end at upper case is installed with helmet by screw thread, lower end in plug body is installed with lower helmet by screw thread.
the utility model reasonable and compact in structure, easy to use, when there is disturbance in cable in drilling tool water hole, axis and conduction assembly and lower connector assembly can coaxially rotate with respect to upper case, intermediate case, so just can prevent the damage of turning round of cable, simultaneously, do not affect conduction of the present utility model and insulating properties, and the hanging platform on cross axis outer wall has also been realized the seat of cable and has been hung function, has reduced the gravity load of cable.
Accompanying drawing explanation
accompanying drawing 1 is the main half section structural representation of the first half of the utility model most preferred embodiment.
accompanying drawing 2 is the main half section structural representation of the latter half of the utility model most preferred embodiment.
coding in accompanying drawing is respectively: 1 is upper case, 2 is erection loop platform, 3 is upper connector assembly, 4 is felt pad on plug, 5 is felt pad under plug, 6 is limit screw cap, 7 is intermediate case, 8 is cross axis, 9 is upper annular groove, 10 is lower annular groove, 11 is hanging platform, 12 is upper slotted hole, 13 is lower slotted hole, 14 is plug body, 15 is installing hole, 16 for installing annular groove, 17 is isolating cylinder, 18 is lower installation annular groove, 19 is upper insulation stop pad, 20 is gear pressure cap, 21 is spring base, 22 is upper installation annular groove, 23 is spring, 24 is axial installing hole, 25 is mounting groove, 26 is gathering sill, 27 is guider screw, 28 is bellmouth, 29 is insulation back-up ring, 30 is copper contact head, 31 is conducting rod, 32 is spring pad, 33 is plug installation annular groove, 34 is lower insulation stop pad, 35 is copper sleeve cover, 36 is banana plug, 37 is boss, 38 is upper bearing (metal), 39 is end ring, 40 is baffle ring, 41 is lower bearing, 42 is screw, 43 is upper helmet, 44 is lower helmet, 45 is the oil ninth of the ten Heavenly Stems, 46 is sealing ring.
The specific embodiment
the utility model is not subject to the restriction of following embodiment, can determine concrete embodiment according to the technical solution of the utility model and actual conditions.
in the utility model, for convenience of description, the description of the relative position relation of each parts is to be all described according to the Butut mode of Figure of description 1, as: the position relationship of upper and lower, left and right etc. is to determine according to the Butut direction of Figure of description.
below in conjunction with embodiment and accompanying drawing, the utility model is further described:
as shown in accompanying drawing 1,2, this Combined type electric magnetic wave transmission measurement-while-drilling cross rotating short-knot comprises the cross axis 8 and the plug body 14 that on upper case 1, upper connector assembly 3, intermediate case 7, outer wall, are fixed with ring-type hanging platform 11, in the upper inside wall of upper case 1, be fixed with erection loop platform 2, top external diameter is greater than erection loop platform 2 internal diameters, 3 of upper connector assemblies that lower outer diameter and erection loop platform 2 internal diameters match are on erection loop platform 2, between the lower end, top of upper connector assembly 3 and the upper end of erection loop platform 2, felt pad 4 on plug is installed, felt pad 5 under plug is installed on the upper connector assembly 3 of erection loop platform 2 belows, under plug, on the upper connector assembly 3 of felt pad 5 belows, be installed with limit screw cap 6, the lower end outer wall of upper case 1 and the upper end inwall of intermediate case 7 are fixedly installed togather, in the external wall of upper portion of cross axis 8, there are upper annular groove 9 and lower annular groove 10, the external diameter of upper annular groove 9 is less than the external diameter of lower annular groove 10, hanging platform 11 is positioned at the below of lower annular groove 10, there are the upper slotted hole 12 and the lower slotted hole 13 that axially communicate in the inside of cross axis 8, the internal diameter of upper slotted hole 12 is less than the internal diameter of lower slotted hole 13, the lower end of intermediate case 7 is sleeved in lower annular groove 10, upper case 1 lower end, intermediate case 7 inwalls, in the toroidal cavity forming between the outer wall of the upper end of lower annular groove 10 and upper annular groove 9, bearing assembly is installed, the external wall of upper portion of the lower inner wall of lower slotted hole 13 and plug body 14 is fixedly installed togather, there is axial installing hole 15 inside of plug body 14, in the inner chamber of the lower lumen of upper case 1 and the inner chamber of cross axis 8 and plug body 14, conduction assembly is installed, the lower end of conduction assembly is positioned at the below of plug body 14.Limit screw cap 6 can carry out spacing to felt pad under plug 5, during use, upper connector assembly 3 is electrically connected by wire with conduction assembly, in the process of signal transmission, cross axis 8 and conduction assembly coaxially rotate with respect to upper case 1, intermediate case 7, so just, can prevent the damage of turning round of cable, on plug, under felt pad 4 and plug, felt pad 5 can make to play good insulating effect between connector assembly 3 and upper case 1, and the hanging platform 11 on cross axis 8 outer walls can realized good seat extension function when the utility model is worked.
can according to actual needs, above-mentioned Combined type electric magnetic wave transmission measurement-while-drilling cross rotating short-knot be made further optimization and/or improvements:
as shown in accompanying drawing 1,2, conduction assembly comprises isolating cylinder 17, spring base 21, spring 23, conducting rod 31 and copper sleeve cover 35, on upper case 1 inwall of erection loop platform 2 belows, there is the annular groove 16 of installation, in installation annular groove 16, isolating cylinder 17 is installed, in the lower inner wall of isolating cylinder 17, there is lower installation annular groove 18, in the installation annular groove 16 of isolating cylinder 17 belows, insulation stop pad 19 is installed, in the installation annular groove 16 of upper insulation stop pad 19 belows, be installed with gear pressure cap 20, in the external wall of upper portion of spring base 21, there is upper installation annular groove 22, in isolating cylinder 17, be set with the upper inside wall of spring base 21 and isolating cylinder 17 and the laminating of the outer wall of upper installation annular groove 22, the bottom outer wall of spring base 21 and the laminating of the inwall of lower installation annular groove 18, in the toroidal cavity that upper installation annular groove 22 and lower installation annular groove 18 form, spring 23 is installed, there is axial installing hole 24 inside of spring base 21, there is the mounting groove 25 communicating with axial installing hole 24 lower end of spring base 21, on upper installation annular groove 22, there is axial gathering sill 26, the inner that isolating cylinder 17 tops of corresponding gathering sill 26 are installed with guider screw 27 and guider screw 27 is positioned at gathering sill 26, there is the bellmouth wide at the top and narrow at the bottom 28 communicating with upper slotted hole 12 upper end of cross axis 8, in bellmouth 28 inner seats, there is insulation back-up ring 29, the upper end of copper contact head 30 and copper contact head 30 and the laminating of the upper end of mounting groove 25 are installed between mounting groove 25 and insulation back-up ring 29, the upper end of conducting rod 31 is fixedly installed togather with copper contact head 30 through insulation back-up ring 29, on the conducting rod 31 between copper contact head 30 and insulation back-up ring 29, spring pad 32 is installed, copper contact head 30 and spring pad 32 are all positioned at the inside of insulation stop pad 19 and gear pressure cap 20, the lower end of conducting rod 31 is through upper slotted hole 12, lower slotted hole 13 and installing hole 15 are also positioned at the below of plug body 14, in the lower inner wall of plug body 14, there is plug that annular groove 33 is installed, on the conducting rod 31 of corresponding upper end plug installation annular groove 33, lower insulation stop pad 34 is installed, the conducting rod 31 of lower insulation stop pad 34 belows is fixedly installed togather with the upper inside wall of copper sleeve cover 35, in the lower lumen of copper sleeve cover 35, be installed with banana plug 36.Spring base 21 can conduct electricity, spring base 21 is by touching electric signal transmission to copper contact head 30, copper contact head 30 again by electric signal transmission to conducting rod 31, then conducting rod 31 overlaps 35 by electric signal transmission to copper sleeve, copper sleeve cover 35 finally electric signal transmission to banana plug 36, banana plug 36 adopts existing known technology, in the touching process of spring base 21 and copper contact head 30, spring 23 can make optimum reliable contact of spring base 21 and copper contact head 30, upper insulation stop pad 19, insulation back-up ring 29 and lower insulation stop pad 34 can make conducting rod 31 and the external world have good insulating effect, when copper contact head 30 contacts under pressure with spring base 21, spring pad 32 can play good cushioning effect.
as shown in accompanying drawing 1,2, bearing assembly comprises upper bearing (metal) 39, lower bearing 41 and end ring 39; On intermediate case 7 inwalls between upper case 1 and lower annular groove 10 upper ends, be fixed with annular boss 37, in toroidal cavity between upper annular groove 9 and intermediate case 7 above boss 37, upper bearing (metal) 38 is installed, in upper annular groove 9 above upper bearing (metal) 38, be installed with end ring 39, on upper annular groove 9 outer walls above end ring 39, be installed with baffle ring 40, boss 37 lower ends, on lower bearing 41 is installed in the toroidal cavity that forms between annular groove 9 outer walls, lower annular groove 10 upper surfaces and intermediate case 7 inwalls.End ring 39 can be fixed upper bearing (metal) 38 spacing, and when cross axis 8 rotates with respect to intermediate case 7, upper bearing (metal) 38 and lower bearing 41 can reduce the friction between them.
as shown in accompanying drawing 1,2, between the upper end of the lower end of upper case 1 and intermediate case 7, along circumference, be radially installed with the screw 42 of at least one, between the lower end of cross axis 8 and the top of plug body 14, along circumference, be radially installed with the screw 42 of at least one.Screw 42 between the lower end of upper case 1 and intermediate case 7 can prevent from occurring that relative rotation, the screw 42 between the lower end of cross axis 8 and the top of plug body 14 can prevent the relative rotation of appearance between cross axis 8 and plug body 14 between upper case 1 and intermediate case 7.
as shown in accompanying drawing 1,2, in the upper end of upper case 1, be installed with helmet 43, in the lower end of plug body 14, be installed with lower helmet 44, on plug body 14 outer walls between cross axis 8 lower ends and lower helmet 44 upper ends, be installed with the oily ninth of the ten Heavenly Stems 45.When the utility model is in maintenance, maintenance, stoppage in transit or handling process, upper helmet and lower helmet can play good protective effect to two ends of the present utility model.
as shown in accompanying drawing 1,2, between the lower end outer wall of upper case 1 and the upper end inwall of intermediate case 7, be installed with sealing ring 46, between the lower end inwall of intermediate case 7 and the outer wall of lower annular groove 10, be installed with sealing ring 46, between the external wall of upper portion of the lower inner wall of lower slotted hole 13 and plug body 14, be installed with sealing ring 46, between the lower end outer wall of plug body 14 and the upper end inwall of lower helmet 44, be installed with sealing ring 46.
as accompanying drawing 1, shown in 2, under plug, on the upper connector assembly 3 of felt pad 5 belows, by screw thread, be installed with limit screw cap 6, the lower end outer wall of upper case 1 and the upper end inwall of intermediate case 7 are fixedly installed togather by screw thread, the external wall of upper portion of the lower inner wall of lower slotted hole 13 and plug body 14 is fixedly installed togather by screw thread, in the installation annular groove of upper insulation stop pad 19 belows, by screw thread, be installed with gear pressure cap 20, the upper end of conducting rod 31 and copper contact head 30 are fixedly installed togather by screw thread, the conducting rod 31 of lower insulation stop pad 34 belows is fixedly mounted on by screw thread in the top inner chamber of copper sleeve cover 35, in the lower lumen of copper sleeve cover 35, by screw thread, be installed with banana plug 36, in upper annular groove 9 above upper bearing (metal) 38, by screw thread, be installed with end ring 39, upper end at upper case 1 is installed with helmet 43 by screw thread, lower end in plug body 14 is installed with lower helmet 44 by screw thread.Be threaded and facilitate installation and removal.
above technical characterictic has formed most preferred embodiment of the present utility model, and it has stronger compliance and best implementation result, can increase and decrease according to actual needs non-essential technical characterictic, meets the demand of different situations.
Claims (10)
1. a Combined type electric magnetic wave transmission measurement-while-drilling cross rotating short-knot, is characterized in that comprising the cross axis and the plug body that on upper case, upper connector assembly, intermediate case, outer wall, are fixed with ring-type hanging platform, in the upper inside wall of upper case, be fixed with erection loop platform, top external diameter is greater than erection loop platform internal diameter, the upper connector assembly seat that lower outer diameter and erection loop platform internal diameter match is on erection loop platform, between the lower end, top of upper connector assembly and the upper end of erection loop platform, felt pad on plug is installed, on the upper connector assembly of erection loop platform below, felt pad under plug is installed, under plug, on the upper connector assembly of felt pad below, be installed with limit screw cap, the lower end outer wall of upper case and the upper end inwall of intermediate case are fixedly installed togather, in the external wall of upper portion of cross axis, there are upper annular groove and lower annular groove, the external diameter of upper annular groove is less than the external diameter of lower annular groove, hanging platform is positioned at the below of lower annular groove, there are the upper slotted hole and the lower slotted hole that axially communicate in the inside of cross axis, the internal diameter of upper slotted hole is less than the internal diameter of lower slotted hole, the lower end of intermediate case is sleeved in lower annular groove, upper case lower end, intermediate case inwall, in the toroidal cavity forming between the upper end of lower annular groove and the outer wall of upper annular groove, bearing assembly is installed, the lower inner wall of lower slotted hole and the external wall of upper portion of plug body are fixedly installed togather, there is axial installing hole the inside of plug body, in the lower lumen of upper case and the inner chamber of cross axis and the inner chamber of plug body, conduction assembly is installed, the lower end of conduction assembly is positioned at the below of plug body.
2. Combined type electric magnetic wave transmission measurement-while-drilling cross rotating short-knot according to claim 1, the assembly that it is characterized in that conducting electricity comprises isolating cylinder, spring base, spring, conducting rod and copper sleeve cover, on the upper case inwall of erection loop platform below, there is installation annular groove, in installation annular groove, isolating cylinder is installed, in the lower inner wall of isolating cylinder, there is lower installation annular groove, in the installation annular groove of isolating cylinder below, insulation stop pad is installed, in the installation annular groove of upper insulation stop pad below, be installed with gear pressure cap, in the external wall of upper portion of spring base, there is upper installation annular groove, in isolating cylinder, be set with the upper inside wall of spring base and isolating cylinder and the laminating of the outer wall of upper installation annular groove, the bottom outer wall of spring base and the laminating of the inwall of lower installation annular groove, in the toroidal cavity of upper installation annular groove and the formation of lower erection loop groove, spring is installed, there is axial installing hole the inside of spring base, there is the mounting groove communicating with axial installing hole the lower end of spring base, on upper installation annular groove, there is axial gathering sill, the inner that the isolating cylinder top of corresponding gathering sill is installed with guider screw and guider screw is positioned at gathering sill, there is the bellmouth wide at the top and narrow at the bottom communicating with upper slotted hole the upper end of cross axis, in bellmouth inner seat, there is insulation back-up ring, copper contact head and the upper end of copper contact head and the laminating of the upper end of mounting groove are installed between mounting groove and insulation back-up ring, the upper end of conducting rod is fixedly installed togather through insulation back-up ring and copper contact head, on the conducting rod between copper contact head and insulation back-up ring, spring pad is installed, copper contact head and spring pad are all positioned at the inside of insulation stop pad and gear pressure cap, the lower end of conducting rod is through upper slotted hole, lower slotted hole and installing hole are also positioned at the below of plug body, in the lower inner wall of plug body, there is plug that annular groove is installed, on the conducting rod of corresponding upper end plug installation annular groove, lower insulation stop pad is installed, the conducting rod of lower insulation stop pad below and the upper inside wall of copper sleeve cover are fixedly installed togather, in the lower lumen of copper sleeve cover, be installed with banana plug.
3. Combined type electric magnetic wave transmission measurement-while-drilling cross rotating short-knot according to claim 1 and 2, is characterized in that bearing assembly comprises upper bearing (metal), lower bearing and end ring, on intermediate case inwall between upper case and lower annular groove upper end, be fixed with annular boss, in toroidal cavity between upper annular groove and intermediate case above boss, upper bearing (metal) is installed, in upper annular groove above upper bearing (metal), be installed with end ring, on the upper annular groove outer wall above end ring, be installed with baffle ring, in boss lower end, upper annular groove outer wall, in the toroidal cavity forming between lower annular groove upper surface and intermediate case inwall, lower bearing is installed, or/and, between the lower end of upper case and the upper end of intermediate case, along circumference, be radially installed with the screw of at least one, between the lower end of cross axis and the top of plug body, along circumference, be radially installed with the screw of at least one.
4. Combined type electric magnetic wave transmission measurement-while-drilling cross rotating short-knot according to claim 1 and 2, the upper end that it is characterized in that upper case is installed with helmet, in the lower end of plug body, be installed with lower helmet, on the plug body outer wall between cross axis lower end and lower helmet upper end, be installed with the oily ninth of the ten Heavenly Stems.
5. Combined type electric magnetic wave transmission measurement-while-drilling cross rotating short-knot according to claim 3, the upper end that it is characterized in that upper case is installed with helmet, in the lower end of plug body, be installed with lower helmet, on the plug body outer wall between cross axis lower end and lower helmet upper end, be installed with the oily ninth of the ten Heavenly Stems.
6. Combined type electric magnetic wave transmission measurement-while-drilling cross rotating short-knot according to claim 4, it is characterized in that being installed with sealing ring between the lower end outer wall of upper case and the upper end inwall of intermediate case, between the lower end inwall of intermediate case and the outer wall of lower annular groove, be installed with sealing ring, between the lower inner wall of lower slotted hole and the external wall of upper portion of plug body, be installed with sealing ring, between the lower end outer wall of plug body and the upper end inwall of lower helmet, be installed with sealing ring.
7. Combined type electric magnetic wave transmission measurement-while-drilling cross rotating short-knot according to claim 5, it is characterized in that being installed with sealing ring between the lower end outer wall of upper case and the upper end inwall of intermediate case, between the lower end inwall of intermediate case and the outer wall of lower annular groove, be installed with sealing ring, between the lower inner wall of lower slotted hole and the external wall of upper portion of plug body, be installed with sealing ring, between the lower end outer wall of plug body and the upper end inwall of lower helmet, be installed with sealing ring.
8. Combined type electric magnetic wave transmission measurement-while-drilling cross rotating short-knot according to claim 4, it is characterized in that on the upper connector assembly below felt pad, by screw thread, being installed with limit screw cap under plug, the lower end outer wall of upper case and the upper end inwall of intermediate case are fixedly installed togather by screw thread, the lower inner wall of lower slotted hole and the external wall of upper portion of plug body are fixedly installed togather by screw thread, in the installation annular groove of upper insulation stop pad below, by screw thread, be installed with gear pressure cap, the upper end of conducting rod and copper contact head are fixedly installed togather by screw thread, the conducting rod of lower insulation stop pad below is fixedly mounted on by screw thread in the top inner chamber of copper sleeve cover, in the lower lumen of copper sleeve cover, by screw thread, be installed with banana plug, in upper annular groove above upper bearing (metal), by screw thread, be installed with end ring, upper end at upper case is installed with helmet by screw thread, lower end in plug body is installed with lower helmet by screw thread.
9. Combined type electric magnetic wave transmission measurement-while-drilling cross rotating short-knot according to claim 5, it is characterized in that on the upper connector assembly below felt pad, by screw thread, being installed with limit screw cap under plug, the lower end outer wall of upper case and the upper end inwall of intermediate case are fixedly installed togather by screw thread, the lower inner wall of lower slotted hole and the external wall of upper portion of plug body are fixedly installed togather by screw thread, in the installation annular groove of upper insulation stop pad below, by screw thread, be installed with gear pressure cap, the upper end of conducting rod and copper contact head are fixedly installed togather by screw thread, the conducting rod of lower insulation stop pad below is fixedly mounted on by screw thread in the top inner chamber of copper sleeve cover, in the lower lumen of copper sleeve cover, by screw thread, be installed with banana plug, in upper annular groove above upper bearing (metal), by screw thread, be installed with end ring, upper end at upper case is installed with helmet by screw thread, lower end in plug body is installed with lower helmet by screw thread.
10. Combined type electric magnetic wave transmission measurement-while-drilling cross rotating short-knot according to claim 7, it is characterized in that on the upper connector assembly below felt pad, by screw thread, being installed with limit screw cap under plug, the lower end outer wall of upper case and the upper end inwall of intermediate case are fixedly installed togather by screw thread, the lower inner wall of lower slotted hole and the external wall of upper portion of plug body are fixedly installed togather by screw thread, in the installation annular groove of upper insulation stop pad below, by screw thread, be installed with gear pressure cap, the upper end of conducting rod and copper contact head are fixedly installed togather by screw thread, the conducting rod of lower insulation stop pad below is fixedly mounted on by screw thread in the top inner chamber of copper sleeve cover, in the lower lumen of copper sleeve cover, by screw thread, be installed with banana plug, in upper annular groove above upper bearing (metal), by screw thread, be installed with end ring, upper end at upper case is installed with helmet by screw thread, lower end in plug body is installed with lower helmet by screw thread.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320662691.2U CN203547717U (en) | 2013-10-25 | 2013-10-25 | Composite electromagnetic wave transmission drilling-following measuring cross rotary short joint |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320662691.2U CN203547717U (en) | 2013-10-25 | 2013-10-25 | Composite electromagnetic wave transmission drilling-following measuring cross rotary short joint |
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| CN203547717U true CN203547717U (en) | 2014-04-16 |
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| CN201320662691.2U Expired - Fee Related CN203547717U (en) | 2013-10-25 | 2013-10-25 | Composite electromagnetic wave transmission drilling-following measuring cross rotary short joint |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108756866A (en) * | 2018-05-08 | 2018-11-06 | 中国石油集团渤海钻探工程有限公司 | A kind of protective device of underground resistivity female thread |
| CN115347412A (en) * | 2022-08-16 | 2022-11-15 | 东营中昶能源科技有限公司 | Quick connecting device for cable connector |
-
2013
- 2013-10-25 CN CN201320662691.2U patent/CN203547717U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108756866A (en) * | 2018-05-08 | 2018-11-06 | 中国石油集团渤海钻探工程有限公司 | A kind of protective device of underground resistivity female thread |
| CN115347412A (en) * | 2022-08-16 | 2022-11-15 | 东营中昶能源科技有限公司 | Quick connecting device for cable connector |
| CN115347412B (en) * | 2022-08-16 | 2024-04-02 | 东营中昶能源科技有限公司 | Quick connecting device for cable connector |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140416 Termination date: 20201025 |